Commit 56b5e65e authored by Xianting Tian's avatar Xianting Tian Committed by Michael S. Tsirkin
Browse files

virtio-console: call scheduler when we free unused buffs 



For virtio-net we were getting CPU stall warnings, and fixed it by
calling the scheduler: see f8bb5104 ("virtio_net: suppress cpu stall
when free_unused_bufs").

This driver is similar so theoretically the same logic applies.

Signed-off-by: default avatarXianting Tian <xianting.tian@linux.alibaba.com>
Message-Id: <20230609131817.712867-3-xianting.tian@linux.alibaba.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 7a5103b8

drivers/char/virtio_console.c

+1 −0
Original line number Diff line number Diff line
@@ -1935,6 +1935,7 @@ static void remove_vqs(struct ports_device *portdev) 
		flush_bufs(vq, true);

		while ((buf = virtqueue_detach_unused_buf(vq)))

			free_buf(buf, true);

		cond_resched();

	}

	portdev->vdev->config->del_vqs(portdev->vdev);

	kfree(portdev->in_vqs);